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Flights from Denver to San Diego
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Find Denver to San Diego flights starting at CAD 24.

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • One way
  • Round-trip
      • Cheapest nonstop
        DEN22:15
        2h 34m
        Nonstop
        SAN23:49
        Tue, Dec 10|Denver - San Diego|Frontier Airlines
        CAD 24CAD 60
        60% OFF
        60% OFF
        CAD 60CAD 24

        Choose Frontier Airlines flights from Denver to San Diego. The one-way direct flight with Frontier Airlines departs from Denver International Airport on Tue, Dec 10, arriving at San Diego International Airport. One-way Prices start from CAD 24 including taxes and charges.

      • DEN22:15
        2h 34m
        Nonstop
        SAN23:49
        Sat, Jan 11|Denver - San Diego|Frontier Airlines
        CAD 24CAD 60
        60% OFF
        60% OFF
        CAD 60CAD 24

        Choose Frontier Airlines flights from Denver to San Diego. The one-way direct flight with Frontier Airlines departs from Denver International Airport on Sat, Jan 11, arriving at San Diego International Airport. One-way Prices start from CAD 24 including taxes and charges.

      • DEN11:52
        2h 37m
        Nonstop
        SAN13:29
        Tue, Jan 14|Denver - San Diego|Frontier Airlines
        CAD 26CAD 60
        56% OFF
        56% OFF
        CAD 60CAD 26

        Choose Frontier Airlines flights from Denver to San Diego. The one-way direct flight with Frontier Airlines departs from Denver International Airport on Tue, Jan 14, arriving at San Diego International Airport. One-way Prices start from CAD 26 including taxes and charges.

      • DEN22:15
        2h 37m
        Nonstop
        SAN23:52
        Tue, Jan 21|Denver - San Diego|Frontier Airlines
        CAD 26
        CAD 26

        Choose Frontier Airlines flights from Denver to San Diego. The one-way direct flight with Frontier Airlines departs from Denver International Airport on Tue, Jan 21, arriving at San Diego International Airport. One-way Prices start from CAD 26 including taxes and charges.

      • DEN13:20
        2h 37m
        Nonstop
        SAN14:57
        Sat, Dec 14|Denver - San Diego|Frontier Airlines
        CAD 26
        CAD 26

        Choose Frontier Airlines flights from Denver to San Diego. The one-way direct flight with Frontier Airlines departs from Denver International Airport on Sat, Dec 14, arriving at San Diego International Airport. One-way Prices start from CAD 26 including taxes and charges.

      • DEN22:15
        2h 34m
        Nonstop
        SAN23:49
        Wed, Jan 8|Denver - San Diego|Frontier Airlines
        CAD 26
        CAD 26

        Choose Frontier Airlines flights from Denver to San Diego. The one-way direct flight with Frontier Airlines departs from Denver International Airport on Wed, Jan 8, arriving at San Diego International Airport. One-way Prices start from CAD 26 including taxes and charges.

      • DEN22:15
        2h 37m
        Nonstop
        SAN23:52
        Wed, Jan 22|Denver - San Diego|Frontier Airlines
        CAD 26
        CAD 26

        Choose Frontier Airlines flights from Denver to San Diego. The one-way direct flight with Frontier Airlines departs from Denver International Airport on Wed, Jan 22, arriving at San Diego International Airport. One-way Prices start from CAD 26 including taxes and charges.

      • DEN13:20
        2h 37m
        Nonstop
        SAN14:57
        Sat, Jan 18|Denver - San Diego|Frontier Airlines
        CAD 26
        CAD 26

        Choose Frontier Airlines flights from Denver to San Diego. The one-way direct flight with Frontier Airlines departs from Denver International Airport on Sat, Jan 18, arriving at San Diego International Airport. One-way Prices start from CAD 26 including taxes and charges.

      • DEN09:22
        2h 39m
        Nonstop
        SAN11:01
        Sat, Feb 1|Denver - San Diego|Frontier Airlines
        CAD 26
        CAD 26

        Choose Frontier Airlines flights from Denver to San Diego. The one-way direct flight with Frontier Airlines departs from Denver International Airport on Sat, Feb 1, arriving at San Diego International Airport. One-way Prices start from CAD 26 including taxes and charges.

      • DEN09:22
        2h 39m
        Nonstop
        SAN11:01
        Sat, Jan 25|Denver - San Diego|Frontier Airlines
        CAD 30
        CAD 30

        Choose Frontier Airlines flights from Denver to San Diego. The one-way direct flight with Frontier Airlines departs from Denver International Airport on Sat, Jan 25, arriving at San Diego International Airport. One-way Prices start from CAD 30 including taxes and charges.

      • DEN13:00
        3h 5m
        Nonstop
        SAN14:00
        Thu, Dec 12|Denver - San Diego|Frontier Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to fly from Denver to San Diego?

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Find Cheapest Airlines Flying from Denver to San Diego

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines
From CAD 24
Alaska Airlines
From CAD 94
American Airlines
From CAD 109
United Airlines
From CAD 118
Delta Air Lines
From CAD 121
Southwest Airlines
From CAD 151
Sun Country Airlines
From CAD 544

Find more flights and airlines

Alternative Routes for Denver to San Diego Flights

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Denver to San Diego.

  • Cheapest
    Frontier Airlines
    DEN
    22:15
    2h 34m
    Nonstop
    SAN
    23:49
    Denver International Airport - San Diego International Airport
    Wed, Dec 11Frontier Airlines
    CAD 53
  • American Airlines
    DEN
    14:26
    4h 56m
    1 transfer
    CLD
    18:22
    Denver International Airport - McClellan-Palomar Airport
    Mon, Feb 24American Airlines
    CAD 259
  • American Airlines
    DEN
    14:26
    4h 56m
    1 transfer
    CLD
    18:22
    Denver International Airport - McClellan-Palomar Airport
    Mon, Feb 24American Airlines
    CAD 259
    Find More Flights

FAQ

  • When are flight tickets from Denver (DEN) to San Diego (SAN) the cheapest?

    Airlines adjust prices for flights from Denver to San Diego based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much are flights from Denver (DEN) to San Diego (SAN) cost?

    According to Trip.com's data, the lowest price is around CAD 273.

  • How long is the flight from Denver (DEN) to San Diego (SAN)?

    It takes about 2 hours 41 minutes to fly from Denver (DEN) to San Diego (SAN).

  • What is the transportation method from the main airport to downtown in San Diego?

    • The distance from San Diego International Airport to downtown is about 3km, by taxi about 20 minutes.

  • What are the most popular airlines that fly from Denver (DEN) to San Diego (SAN)?

    Airlines with flights from Denver (DEN) to San Diego (SAN): Southwest Airlines, United Airlines, Volaris, Copa Airlines, Air Canada and Lufthansa.

  • What's the most popular airline for direct flights from Denver (DEN) to San Diego (SAN)?

    Frontier Airlines operates 1 direct flights from Denver (DEN) to San Diego (SAN).

  • How many airports in San Diego (SAN)?

How to find a cheap flight from Denver to San Diego

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Denver to San Diego. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Information for Denver to San Diego Flights

Cheapest direct flight priceCAD 24
Cheapest return ticket priceCAD 50
Off-season travel monthJanuary
Peak season for travelMarch
Flight distance1,371.45km
Average flight time2 hours 41 minutes
Popular airlineAmerican Airlines

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